*{
	padding: 0;
	margin: 0;
	font-size: 12px;
	font-family: "微软雅黑";
	color: #999


}
.wrapper{
	margin: 0 auto;
	width: 1000px;

}
.head{
	width: 100%;
	position: relative;

}
.slider{
	position: relative;
	width: 100%;
	border: 1px solid red;
	height: 400px;
	overflow: hidden;
}
.slider ul,.slider ul li{
	float: left;
	list-style: none;

}
.slider ul{
	position: absolute;
	width: 7200px;
}
img{
	width: 1000px;
	height: 400px;
}
.nav{
	position: absolute;
	/*background-color:red;*/
	bottom: 0;
	left: 50%;
	height: 40px;
	width: 200px;
	margin-left: -100px;
	display: flex;
	justify-content: space-around;
	align-items: center;
}
.nav span{
	display: inline-block;
	width: 16px;
	height: 16px;
	background-color:rgba(90,90,90,0.5);
	color: #00;
	border-radius: 50%;
	text-align: center;
	cursor: pointer;   /*小手*/

}
.slider .right,.slider .left{
	position: absolute;
	top: 0;
	font-size: 30px;
	color: white;
	margin: 20px 20px;
	cursor: pointer;
	display: inline-block;
	width: 42px;
	height: 42px;
	border-radius: 50%;
	background-color: rgba(96,96,96,0.5);
	text-align: center;
}
.slider .left{
	left: 0;

}
.slider .right{
	right: 0;
}
.nav .active{
	background-color: blue;
	color: white;

}